/*
 * Copyright 2024 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.pajamas.protocol;

import javax.annotation.Nullable;

/**
 * @author william
 * @since 2023/12/31
 */

public interface Wrapper<T> extends OverrideLess {
    /**
     * @param value value
     * @author william
     * @since 2024/1/21
     */
    default void wrap(@Nullable T value) {
        this.unsupported();
    }

    /**
     * @return T
     * @author william
     * @since 2024/1/21
     */
    @Nullable
    default T unwrap() {
        this.unsupported();
        return null;
    }

    /**
     * @return boolean
     * @author william
     * @since 2024/1/21
     */
    default boolean isPresent() {
        return this.unwrap() != null;
    }
}
